I've been sharing some of the newest controls we'll release in December over the last couple of days. For our WPF customers, we're going to be releasing a WPF SpreadSheet Control and its feature set will be much like its current WinForms counterpart.
And before you ask, I'll be posting details on the enhancements we're making to the WinForms SpreadSheet next week. 
Here is a sample app - demonstrating the integration of our WPF Ribbon and the SpreadSheet. Let me know your thoughts.
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